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3 years ago

12

Plz help im begging i got a F

1 answer:

Elena L [17]3 years ago

8 0

Answer: 4,9,2,8

Step-by-step explanation:

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Step-by-step explanation:

To find a1 we put n=1 in the given Geometric sequence :

$a_{1} =\frac{2}{5}5^{1-1}$

$a_{1} =\frac{2}{5}$

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Common difference = 2÷ $\frac{2}{5}$ = 5.

r=5.

Recursive formula for a geometric sequence is

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Recursive formula is :

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